The Canadian defeated Australian Christopher O’Connell (7-6 (5), 6-2) in the previous round of the tournament.
Earlier in the week Coric, ranked No 96, won against Hungarian Fabian Marozsan, the No 7 seed (6-4, 7-6 (4)).
Almaty ATP 250, other second-round matches (Almaty Arena, hard, USD 1,036,700, most recent results first):
- Francisco Cerundolo (4) beat Justin Engel (WC): 6-4, 7-6 (3)
- Beibit Zhukayev vs. Tomas Machac
- Karen Khachanov vs. Otto Virtanen
- Aleksandar Vukic vs. Adrian Mannarino
- Frances Tiafoe vs. Daniel Evans
- Aslan Karatsev vs. Alexander Shevchenko
- Maximilian Marterer vs. Alejandro Tabilo